WSF512K16-XXX
White Electronic Designs
512KX16 SRAM/FLASH MODULE, SMD 5962-96901
FEATURES
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TTL Compatible Inputs and Outputs
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Access Times of 35ns (SRAM) and 90ns (FLASH)
Access Times of 70ns (SRAM) and 120ns (FLASH)
Packaging
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
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Weight - 13 grams typical
• 66 pin, PGA Type, 1.385" square HIP, Hermetic
Ceramic HIP (Package 402)
FLASH MEMORY FEATURES
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• 68 lead, Hermetic CQFP (G2), 22mm (0.880")
square (Package 500). Designed to fit JEDEC 68
lead 0.990” CQFJ footprint (FIGURE 2)
100,000 Erase/Program Cycles
Sector Architecture
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512Kx16 SRAM
• 8 equal size sectors of 64K bytes each
512Kx16 5V FLASH
• Any combination of sectors can be concurrently
erased. Also supports full chip erase
Organized as 512Kx16 of SRAM and 512Kx16 of
Flash Memory with separate Data Busses
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5 Volt Programming; 5V 10ꢀ Supply
Embedded Erase and Program Algorithms
Hardware Write Protection
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Both blocks of memory are User Configurable as
1Mx8
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Low Power CMOS
Page Program Operation and Internal Program
Control Time.
Commercial, Industrial and Military Temperature
Ranges
Note: Programming information available upon request.
FIGURE 1 – PIN CONFIGURATION
FOR WSF512K16-XH2X
Pin Description
FD0-15
SD0-15
A0-18
Flash Data Inputs/Outputs
SRAM Data Inputs/Outputs
Address Inputs
Top View
1
12
23
34
45
56
SWE1-2#
SCS1-2#
OE#
SRAM Write Enable
SRAM Chip Selects
Output Enable
SD
SD
SD
SWE #
SD
SD
SD
SD
FD
V
FD
FD
FD
FD
8
2
15
14
13
12
8
9
CC
15
14
13
12
SCS #
2
FD
FCS #
2
9
VCC
GND
NC
Power Supply
Ground
Not Connected
GND
FD
10
FWE #
2
10
A
A
A
A
A
SD
11
A
FD
11
13
6
7
FWE1-2#
FCS1-2#
Flash Write Enable
Flash Chip Select
A
A
A
V
OE#
A
A
A
14
15
16
18
10
3
4
5
0
1
2
7
6
5
4
A
17
NC
A
A
11
Block Diagram
SWE #
A
A
A
A
FD
FD
FD
FD
12
CC
1
8
9
0
1
2
SWE
1
#
SCS
1
#
SWE
2
#
SCS
2
#
FWE
1
#
FCS
1
#
2 2
FWE # FCS #
SD
7
SD
6
SD
5
SD
4
FWE #
1
OE#
A
0-18
SCS #
1
FD
FD
FD
FCS #
1
SD
0
SD
1
SD
2
512K x 8
FLASH
512K x 8
SRAM
512K x 8
SRAM
512K x 8
FLASH
NC
GND
8
8
8
8
SD
3
FD
3
11
22
33
44
55
66
FD0-7
FD8-15
SD0-7
SD8-15
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2006
Rev. 6
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com